package chaohuaxishi;

/**
 * @author oldliu
 * @since 1.0
 */
public class DogTest {
    public static void main(String[] args) {
//        Dog.print();
//        Dog d=new Dog();
//        d.print();
        System.out.println(">>>>>>>>>>>>>>>>>");
        Dog d2=null;
        d2.print();
    }
}
